/Engine/Source/Editor/AnimGraph/Public/AnimGraphNode_BoneDrivenController.h
This is the 'source version' of a bone driven controller, which maps part of the state from one bone to another (e.g., 2 * source.x -> target.z)
class UAnimGraphNode_BoneDrivenController : public [UAnimGraphNode_SkeletalControlBase](API\Editor\AnimGraph\UAnimGraphNode_SkeletalControlBa-)
FAnimNode_BoneD...
Node